What is the voltage drop on the battery when you transmit?
...Dave
----- Original Message -----
From: <jon_kanter@charter.net>
To: <tentec@contesting.com>
Sent: Monday, March 28, 2005 1:19 PM
Subject: [TenTec] Hercules II power output (low?)
> Hi All,
> I recently purchased an old Hercules II power amp. I'm running it on a
marine deep cycle battery that I got at Walmart (115AmpHour- biggest one
they had), with a 15amp charger.
> The problem is that the amp doesn't appear to produce rated power on all
bands. In fact, driving it with a 100W transmitter, I can only get the rated
500W output on 10m. On 40m and 20m I can only get about 300W out. This is
either into a dummy load or the antenna tuner.
>
> The schematic shows pots for bias adjustment, but no indication of what it
should be.
>
> I called Ten-Tec, but they just recommended to send it in for service. I
thought I'd first see if anybody on this list had some knowledge about this
they were willing to pass along. Does anyone out there have experience that
might be of help?
>
> Appreciate any assistance you can provide.
> Thanks!
> 73,
> Jon AF1M
>
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